An illustrated diagram shows how toll dialing is able to help long distance telephone operators speed up their requests in 1950.
Editorial
Stock Footage ID:
D378_40_418
License:
Royalty-free license
Collection:
Vintage
Clip length:
00:59
Contributor:
RetroFootage
Frame rate:
29.97 fps
Release:
Editorial
Original codec:
M-JPEG
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